Base-burner heating-stove.



S. SCHONBRUNN. T. JORGENSEN &' E. l. MORROW.

BASE BURNER HEATING STOVE.

APPLICATION FILED SEPT. 12, 1914.

Patented May 2,1916.

2 SHEETS-SHEET I.

. I Jd Attorneys l3 COLUMBIA PLANOURAPH co-, WASHINGTON, D. c.

S. SCHONBRUNN', T. JORGENSEN & E. l IVIORROW. BASE BURNER HEATING STOVE.

APPLICATION man SEPT. 12. 1914.

Patented May 2,1916.

2 SHEETS-SHEET 2.

Inventors Attorneys THE COLUMBIA PLAQIOGRAPM c0, WASHINGTON, n. c.-

in triple.

SANFORD sorronnnunn, THOR JORGENSEN, AND ELBER'I I. MORROW, or OMAHA,

- NEBRASKA.

BASE-BURNER HEATING-STOVE.

Specification of Letters Patent.

Patented May 2, 1916.

T '0 all whom it may concern:

Be it known that we, SANFORD SoHoN- BRUNN, THOR JoRenNsEN, and ELBERT I. Monnow, citizens of the United States, residing at Omaha, in the county of Douglas and State of Nebraska, have invented a new and useful Base-Burner Heating-Stove, of which the following is a specification.

The device forming the subject matter of this application is a coal stove or furnace, and the invention aims, primarily, to provide a novel means whereby at the will of an operator, the amount of coal let down upon the grate maybe regulated, it being possible to regulate the quantity of coal which, although not actually burning, is subjected to'heat, for the purpose of deriving the gas therefrom.

The invention aims to improve generally and to enhance the utility of devices of that type to which the present invention appertains.

With the foregoing and other objects in view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed, can be made within the scope of what is claimed, without departing from the spirit of the invention.

In the accompanying drawings: Figure 1 shows the invention in longitudinal section; Fig. 2 is a cross section on the line 2-2 of Fig. 1; Fig. 3 is a cross section on the line 3-3 of Fig. 1; and Fig. 4 is a top plan of the grate.

The heater herein disclosed comprises a base 1 including an upstanding ring 2 having legs 3 supporting a casing 4 forming a lower drum. An upper drum 5 of annular form is provided and flues 6 connect the upper and lower drums. Projecting from the upper drum 5 is a smoke flue 7 controlled by a damper 8, the upper drum being provided with a clean-out door 9. 7

Located within the casing 4 is a lining 10 supported on a ring 22 and defining a fire pot 11. A portion of the casing 4 is spaced from the lining 10 to define an air flue 12 controlled by a damper 14. Access is had to the fire pot 11 and the condition of the fire within the fire pot may be ascertained by inspection, through the medium of a door 15 having a transparent plate 16. Communicating with the fire pot l1 and upheld by the casing 4, is a tubular fuel magazine 17 upstanding above the upper drum 5 and provided with a removable lid 18.

Located above the bottom 19 of the casing 4 is an ash pit 20 access to which is had through the medium of a door 21. Supported by the bottom 19 is a tubular bearing 23. .Journaled for rotation within the bearing 23 and mounted to slide longitudinally therein is a standard 24 provided at its lower extremity with a rounded end 25 received in a concaved socket 26 extended transversely of a lever 27 having a hook 28 at one end adapted to engage the ring 2, thereby to form a fulcrum for the lever. The free end of the lever 27 is adapted to coact with any one of a series of notches 29 formed in a post 30 extended between the ring 2 and the bottom 19 of the ash pit. Projecting radially from the standard 24 is a handle 31 whereby the standard may be rotated in the bearing 23. Upstanding from the standard 24 is a spindle 32 surrounded by a collar 33 held in place by a pin 34. The gate comprises bars 35 disposed in outstanding relation to the collar 33, the grate being recessed as shown at 36 to receive a conical cap 37 held in place by a pin 38 on the upper end of the spindle 32. Referring particularly to Fig. 4, it will be observed that the cap 37 is imperforate.

When it is desired to shake down the fire, this operation is brought about by rotating the standard 24 and the grate through the medium of the handle 31. By raising and lowering the free end of the lever 27 and by engaging the free end of the lever in the notches 29 of the post 30, the grate 35 and the cap 37 may be moved toward and away from the lower end of the magazine 17. In this manner, the amount of coal between the lower end of the magazine 17 and the upper surface of the conical grate structure may be regulated, thus adjusting the amount of coal which lies on top of the cap 37. The coal on top of the cap 37 does not burn, but is heated to a greater or less extent and the gas is driven therefrom. The device is so constituted that the condition of the fire may be regulated to a fine degree, the gas production being adjusted and controlled to such an extent that there is no gas explosion.

The products of combustion pass byway of flues 6 into the upper drum 5 and from the drum 5 through smoke flue 7. I

Especial attention is directed to that feature of the device whereby a rapid and convenient assemblage of the partsmay be carried out. The standard 24 is first thrust downwardly through the tubular bearing 23.

Then, the eye 31 on the end of the handle 31 is placed over the lower end of the standard 24, the securing device 31 then being inserted to hold the handle 80 on the lower end or the standard 24L, this operation being necessary because the handle 31 lies below the bottom '19 of the ash pit. After the parts have thus been assembled, the standard 2-4 is raised, by means of the handle 31. and then the lever 27 is slid longitudinally into position, as shown in Fig. 1 of the drawing, the hook 28 being engaged readily with the upper edge of the ring 2. If at anytime it is desired to take down the grate, the standard 24 is raised slightly, the lever27 is withdrawn and the handle 31'is slipped downwardly oii' the lower end of the standard 24.

Having thus described the invention what isclaimed is t A heater comprising a base including a flange; a drum located above the base and secured thereto; a notched post located between, the base and the drum; a vertically movable conical grate within the drum and dividing the drum into a lire pot and an ash pit, the bottom of the drum forming the bottom of the ash pit; a tubular magazine 10- Copies this patent may be obtained for cated above the apex of the grate; a standard secured at its upper end to the grate and having a rounded lower end, the standard being mounted to slide longitudinally and to rotate in the bottom of the ash pit; a radial, standard-rotating handle located below the bottom of the ash pit and having an eye receiving the standard; means for securing the eye detachably to the standard at a point below the bottom of the ash pit; and a vertically movable lever comprising an intermediate concaved bearing on which the rounded end of the standard is journaled, said lever being adapted to slide transversely to permit one end thereof to engage the post, the other end of the lever comprising a hook detachably engaging the flange to form a fulcrum for the lever and to render the lever removable, whereby it may be engaged readily with the lower end of the standard and be disengaged therefrom when the standard is moved vertically by means of the handle, thereby to permit a detachment of the handle from the standard and a removal of the standard from the bottom of the ash pit.

In testimony that we claim the foregoing as our own, we have hereto afiixed our signatures in the presence of two witnesses.

SANFORD SCHONBRUNN. THOR J ORGENSEN. ELBERT I MORROW.

Witnesses C. Kinwrr, FRANK H. GARVIN.

five cents each, by addressing the Commissioner of latentn Washington, D. C. 

